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Chen Y, Du S, Cui A, Jiang S, He Y, Yang S, Ma R, Sun Y. Fabrication and properties of temperature-responsive imprinted sensors based on fluorescently labeled yeast cells via MVL ATRP. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024. [PMID: 39219465 DOI: 10.1039/d4ay00905c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Temperature-responsive yeast cell-imprinted sensors (CIPs/AuNPs/Ti3C2Tx/AuNPs/Au) were prepared based on fluorescein isothiocyanate labeled yeast cells (FITC-yeast) via metal-free visible-light-induced atom transfer radical polymerization (MVL ATRP). Here, N-isopropyl acrylamide (NIPAM) was used as a temperature-responsive functional monomer, α-methacrylic acid (MAA) was chosen as an auxiliary functional monomer, N,N'-methylene bisacrylamide (MBA) was used as a cross-linker, and FITC-yeast was selected as both a template and photocatalyst. Under the optimal conditions, the detection range of the yeast cell-imprinted sensor toward yeast cells was 1.0 × 102 to 1.0 × 109 cells per mL, and the detection limit was 11 cells per mL (S/N = 3), with a linear equation of ΔI (μA) = 8.44 log[C (cells per mL)] + 7.62 (R2 = 0.993). The sensor showed good selective recognition in the presence of interfering substances such as autolyzed yeast cells (AY), dead yeast cells (DY), human mammary epithelial cells (MCF-10A), human breast cancer cells (MCF-7) and Escherichia coli (EC). The sensor also had good consistency and reproducibility. Finally, spiked recovery experiments were performed to investigate the recognition of yeast cells in the actual sample using the yeast cell-imprinted sensor. The spiked recoveries were all in the range of 98.5-108.0%, and the RSD values were all less than 4%, indicating that the sensor had good application prospects.
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Affiliation(s)
- Yue Chen
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Shaokai Du
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Ailu Cui
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Shipeng Jiang
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Yuxuan He
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Shuhan Yang
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Ruyi Ma
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
| | - Yue Sun
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China.
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Zahra T, Javeria U, Jamal H, Baig MM, Akhtar F, Kamran U. A review of biocompatible polymer-functionalized two-dimensional materials: Emerging contenders for biosensors and bioelectronics applications. Anal Chim Acta 2024; 1316:342880. [PMID: 38969417 DOI: 10.1016/j.aca.2024.342880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 06/14/2024] [Accepted: 06/15/2024] [Indexed: 07/07/2024]
Abstract
Bioelectronics, a field pivotal in monitoring and stimulating biological processes, demands innovative nanomaterials as detection platforms. Two-dimensional (2D) materials, with their thin structures and exceptional physicochemical properties, have emerged as critical substances in this research. However, these materials face challenges in biomedical applications due to issues related to their biological compatibility, adaptability, functionality, and nano-bio surface characteristics. This review examines surface modifications using covalent and non-covalent-based polymer-functionalization strategies to overcome these limitations by enhancing the biological compatibility, adaptability, and functionality of 2D nanomaterials. These surface modifications aim to create stable and long-lasting therapeutic effects, significantly paving the way for the practical application of polymer-functionalized 2D materials in biosensors and bioelectronics. The review paper critically summarizes the surface functionalization of 2D nanomaterials with biocompatible polymers, including g-C3N4, graphene family, MXene, BP, MOF, and TMDCs, highlighting their current state, physicochemical structures, synthesis methods, material characteristics, and applications in biosensors and bioelectronics. The paper concludes with a discussion of prospects, challenges, and numerous opportunities in the evolving field of bioelectronics.
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Affiliation(s)
- Tahreem Zahra
- Department of Chemistry, University of Narowal, Narowal, Punjab, 51600, Pakistan
| | - Umme Javeria
- Department of Chemistry, University of Narowal, Narowal, Punjab, 51600, Pakistan
| | - Hasan Jamal
- Division of Energy Technology, Daegu Gyeongbuk Institute of Science & Technology, 333, Techno Jungang-Daero, Hyeonpung-Myeon, Dalseong-Gun, Daegu, 42988, Republic of Korea
| | - Mirza Mahmood Baig
- Department of Chemistry, University of Narowal, Narowal, Punjab, 51600, Pakistan; Department of Chemistry, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Farid Akhtar
- Division of Materials Science, Luleå University of Technology, 97187, Luleå, Sweden.
| | - Urooj Kamran
- Division of Materials Science, Luleå University of Technology, 97187, Luleå, Sweden; Institute of Advanced Machinery Design Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, Republic of Korea.
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Lee IC, Li YCE, Thomas JL, Lee MH, Lin HY. Recent advances using MXenes in biomedical applications. MATERIALS HORIZONS 2024; 11:876-902. [PMID: 38175543 DOI: 10.1039/d3mh01588b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
An MXene is a novel two-dimensional transition metal carbide or nitride, with a typical formula of Mn+1XnTx (M = transition metals, X = carbon or nitrogen, and T = functional groups). MXenes have found wide application in biomedicine and biosensing, owing to their high biocompatibility, abundant reactive surface groups, good conductivity, and photothermal properties. Applications include photo- and electrochemical sensors, energy storage, and electronics. This review will highlight recent applications of MXene and MXene-derived materials in drug delivery, tissue engineering, antimicrobial activity, and biosensors (optical and electrochemical). We further elaborate on recent developments in utilizing MXenes for photothermal cancer therapy, and we explore multimodal treatments, including the integration of chemotherapeutic agents or magnetic nanoparticles for enhanced therapeutic efficacy. The high surface area and reactivity of MXenes provide an interface to respond to the changes in the environment, allowing MXene-based drug carriers to respond to changes in pH, reactive oxygen species (ROS), and electrical signals for controlled release applications. Furthermore, the conductivity of MXene enables it to provide electrical stimulation for cultured cells and endows it with photocatalytic capabilities that can be used in antibiotic applications. Wearable and in situ sensors incorporating MXenes are also included. Major challenges and future development directions of MXenes in biomedical applications are also discussed. The remarkable properties of MXenes will undoubtedly lead to their increasing use in the applications discussed here, as well as many others.
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Affiliation(s)
- I-Chi Lee
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, 300044, Taiwan
| | - Yi-Chen Ethan Li
- Department of Chemical Engineering, Feng Chia University, Taichung, 40724, Taiwan
| | - James L Thomas
- Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA
| | - Mei-Hwa Lee
- Department of Materials Science and Engineering, I-Shou University, Kaohsiung 84001, Taiwan
| | - Hung-Yin Lin
- Department of Chemical and Materials Engineering, National University of Kaohsiung, 700, Kaohsiung University Rd., Nan-Tzu District, Kaohsiung 81148, Taiwan.
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